I may forswear you may forswear he may forswear we may forswear you may forswear they may forswear
V-ing form
I may be forswearing you may be forswearing he may be forswearing we may be forswearing you may be forswearing they may be forswearing
Perfect
I may have forsworn you may have forsworn he may have forsworn we may have forsworn you may have forsworn they may have forsworn
V-ing perfect
I may have been forswearing you may have been forswearing he may have been forswearing we may have been forswearing you may have been forswearing they may have been forswearing
Negation
Simple form
I mayn't forswear you mayn't forswear he mayn't forswear we mayn't forswear you mayn't forswear they mayn't forswear
V-ing form
I mayn't be forswearing you mayn't be forswearing he mayn't be forswearing we mayn't be forswearing you mayn't be forswearing they mayn't be forswearing
Perfect
I mayn't have forsworn you mayn't have forsworn he mayn't have forsworn we mayn't have forsworn you mayn't have forsworn they mayn't have forsworn
V-ing perfect
I mayn't have been forswearing you mayn't have been forswearing he mayn't have been forswearing we mayn't have been forswearing you mayn't have been forswearing they mayn't have been forswearing
Interrogative form
Simple form
may I forswear? may you forswear? may he forswear? may we forswear? may you forswear? may they forswear?
V-ing form
may I be forswearing? may you be forswearing? may he be forswearing? may we be forswearing? may you be forswearing? may they be forswearing?
Perfect
may I have forsworn? may you have forsworn? may he have forsworn? may we have forsworn? may you have forsworn? may they have forsworn?
V-ing perfect
may I have been forswearing? may you have been forswearing? may he have been forswearing? may we have been forswearing? may you have been forswearing? may they have been forswearing?
Interro-negative form
Simple form
mayn't I forswear? mayn't you forswear? mayn't he forswear? mayn't we forswear? mayn't you forswear? mayn't they forswear?
V-ing form
mayn't I be forswearing? mayn't you be forswearing? mayn't he be forswearing? mayn't we be forswearing? mayn't you be forswearing? mayn't they be forswearing?
Perfect
mayn't I have forsworn? mayn't you have forsworn? mayn't he have forsworn? mayn't we have forsworn? mayn't you have forsworn? mayn't they have forsworn?
V-ing perfect
mayn't I have been forswearing? mayn't you have been forswearing? mayn't he have been forswearing? mayn't we have been forswearing? mayn't you have been forswearing? mayn't they have been forswearing?